small update for the wheel, just cosmetics.

1 files changed, 11 insertions, 8 deletions

diff --git a/wheel.scad b/wheel.scad
index f3b4a19..c216bc1 100644
--- a/wheel.scad
+++ b/wheel.scad
@@ -1,12 +1,13 @@
 $fn=100;
 
 module wheel(radius, width, thickness, spokes) {
+	echo("axle width:", (radius-thickness)/(spokes));
 	union() {
 		difference() {
 			// basis for our wheel - a sphere
 			sphere(radius);
 			// upper cut-out
-			translate([0,0,width/2])
+			translate([0,0,(width/2)])
 				cylinder(radius-(width/2) +1, radius, radius, 0);
 			// lower cut-out
 			translate([0,0,-radius -1])
@@ -16,14 +17,16 @@ module wheel(radius, width, thickness, spokes) {
 				removing 1 from z on translate and making the cylinder
 				higher by two to generate slightly more valid objects
 			*/
-			translate([0,0,-width/2 -1])
-				cylinder(width+2, radius-thickness, radius-thickness, 0);
+			translate([0,0,-(width/2) -1])
+				cylinder(width +2, radius-thickness, radius-thickness, 0);
 		}
 		// spokes
-		for (i = [0:(360/spokes):360]) {
-			rotate([0,0,i])
-				translate([-(radius-thickness),-(radius-thickness)/(spokes*2), -(width/2)])
-					cube([(radius-thickness), (radius-thickness)/(spokes), width]);
+		union() {
+			for (i = [0:(360/spokes):360]) {
+				rotate([0,0,i])
+					translate([-(radius-thickness),-(radius-thickness)/(spokes*2), -(width/2)])
+						cube([(radius-thickness), (radius-thickness)/(spokes), width]);
+			}
 		}
 	}
-}
\ No newline at end of file
+}